iBatis-设置缓存模式-
File: Account.xml

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-2.dtd">

<sqlMap namespace="Account">

<typeAlias alias="Account" type="Account"/>

<resultMap id="AccountResult" column="ACC_ID"/>
<result property="firstName" column="ACC_FIRST_NAME"/>
<result property="lastName" column="ACC_LAST_NAME"/>
<result property="emailAddress" column="ACC_EMAIL"/>
</resultMap>


<cacheModel id="categoryCache" type="LRU">
<flushInterval hours="24"/>
<property name="size" value="100"/>
</cacheModel>

<select id="getByLike" resultparametercacheModel="categoryCache">
select ACC_ID as id,
ACC_FIRST_NAME as firstName,
ACC_LAST_NAME as lastName,
ACC_EMAIL as emailAddress
from ACCOUNT
where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName#
</select>



<!-- Insert example, using the Account parameter class -->
<insert id="insertAccount" parameterencoding="UTF-8" ?>

<!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-config-2.dtd">

<sqlMapConfig>

<!-- Configure a built-in transaction manager. If you're using an
app server, you probably want to use its transaction manager
and a managed datasource -->
<transactionManager type="JDBC" commitRequired="false">
<dataSource type="SIMPLE">
<property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/>
<property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/>
<property name="JDBC.Username" value="sa"/>
<property name="JDBC.Password" value=""/>
</dataSource>
</transactionManager>

<!-- List the SQL Map XML files. They can be loaded from the
classpath, as they are here (com.domain.data...) -->
<sqlMap resource="Account.xml"/>
<!-- List more here...
<sqlMap resource="com/mydomain/data/Order.xml"/>
<sqlMap resource="com/mydomain/data/Documents.xml"/>
-->

</sqlMapConfig>


File: Util.java

import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;

import com.ibatis.common.resources.Resources;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ibatis.sqlmap.client.SqlMapClientBuilder;

public class Util {
Statement st;

public Util() throws Exception{
// Load the JDBC driver.
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
// Establish the connection to the database.
String url = "jdbc:hsqldb:data/tutorial";

Connection conn = DriverManager.getConnection(url, "sa", "");
System.out.println("Got Connection.");
st = conn.createStatement();
}
public SqlMapClient getSqlMapClient() throws Exception{
Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml");
SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader);
reader.close();
return sqlMapper;
}
public void executeSQLCommand(String sql) throws Exception {
st.executeUpdate(sql);
}
public void checkData(String sql) throws Exception {
ResultSet rs = st.executeQuery(sql);
ResultSetMetaData metadata = rs.getMetaData();

for (int i = 0; i < metadata.getColumnCount(); i++) {
System.out.print("\t"+ metadata.getColumnLabel(i + 1));
}
System.out.println("\n----------------------------------");

while (rs.next()) {
for (int i = 0; i < metadata.getColumnCount(); i++) {
Object value = rs.getObject(i + 1);
if (value == null) {
System.out.print("\t ");
} else {
System.out.print("\t"+value.toString().trim());
}
}
System.out.println("");
}
}


}


File: Account.java


public class Account {

private int id;
private String firstName;
private String lastName;
private String emailAddress;

public int getId() {
return id;
}

public void setId(int id) {
this.id = id;
}

public String getFirstName() {
return firstName;
}

public void setFirstName(String firstName) {
this.firstName = firstName;
}

public String getLastName() {
return lastName;
}

public void setLastName(String lastName) {
this.lastName = lastName;
}

public String getEmailAddress() {
return emailAddress;
}

public void setEmailAddress(String emailAddress) {
this.emailAddress = emailAddress;
}

}